Specifications

Highlights:

• A/D THD+N: -113dB @ +20dBu (0.00024%)

• D/A THD+N: -117dB @ +20dBu (0.00014%)

• D/A Dynamic Range: 129dB A weighted

• Apogee’s proprietary Perfect Symmetry Circuitry (PSC)

• Software controlled AD/DA reference setting

• Variable gain input for keyboards

• Ultra low latency AD/DA conversion

Analog to Digital:

• THD+N: -113dB @ 20dBu (0.00024%)

• Dynamic range: 120dB A weighted

• Maximum input levels:

  • +4dB setting - 24dBu

  • -10dB setting - +6dBV

• Variable gain setting - 25dB of gain

• Frequency response at 44.1kHz 1-20,000 Hz (+/- 0.05dB)

• Input impedance: 10K

Digital to Analog:

• THD+N: -117dB @ 20dBu (0.00014%)

• Dynamic Range: 129dB A weighted

• Max output levels - ∞ to +24dBu

• Frequency response at 44.1 kHz: dc to 20kHz (+/- 0.05dB)

• Output impedance: 25 Ohm

• Outputs are balanced through Apogee's proprietary Perfect Symmetry Circuitry (PSC)

Headphones:

• THD+N: -105dB @19dBu

• Dynamic Range: 119db A weighted

• Output impedance: 30 Ohm

Power:

• 90-240VAC, 50-60Hz, 150W

Operating System:

• Mac OS 10.5.8 or greater

Package Contents:

• Symphony I/O Interface

• USB Cable

• Power Cable

• Rack Ears and Screws

• Quick Start Guide

Packaging Sizes:

Symphony I/O Chassis Box

Inches: 22.875 L x 17.75 W x 9.25 D
Centimeters: 58.1 L x 45.1 W x 23.5 D

I/O Module Box

Inches: 13.75 L x 12.25 W x 3.25 D
Centimeters: 34.9 L x 31.1 W x 8.3 D